Circuit breaker



FIG. 1 is a bottom plan view of a circuit breaker showing my new design;

FIG. 2 is a left side elevational view thereof, the right side being a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is an elevational view of one end thereof, the other end being a mirror image;

FIG. 5 is a fragmentary perspective view thereof;

FIG. 6 is a fragmentary top perspective view thereof; and

FIG. 7 is a fragmentary bottom perspective view of a second embodiment of the circuit breaker.

The undisclosed portions of the second embodiment which is partially shown in FIG. 7, are identical to the portions shown in the first embodiment. 

The ornamental design for a circuit breaker, as shown and described. 